PREFERRED STOCK AND STOCK REPURCHASE (Details) (USD $)			1 Months Ended			12 Months Ended	1 Months Ended		1 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Preferred stock	May 31, 2012 Preferred stock	Mar. 31, 2012 Preferred stock	Dec. 31, 2012 Preferred stock	Jan. 31, 2009 Preferred stock	Jan. 16, 2009 Preferred stock	Jan. 31, 2009 Common stock	Dec. 31, 2012 Common stock	Dec. 31, 2011 Common stock	Jan. 16, 2009 Common stock	Jan. 16, 2009 Common stock Maximum
Preferred stock and stock repurchase
Shares issued to the Treasury Department	57,000	57,000						57,000
Liquidation amount per share (in dollars per share)								$ 1,000
Total price	$ 14,918,000	$ 56,387,000						$ 57,000,000
Warrant issued to purchase the entity's common stock (in shares)													571,906
Warrant, exercise price (in dollars per share)										$ 14.95		$ 14.95
Warrant, aggregate purchase price												8,550,000
Cumulative dividends rate for the first five years (as a percent)							5.00%
Cumulative dividends rate, thereafter (as a percent)							9.00%
Warrant, term									10 years
Average stock price (in dollars per share)										$ 11.45	$ 8.86
Shares of the Company's Preferred Stock priced by the U.S. Department of the Treasury in its secondary public offering					57,000
Shares repurchased and retired as a result of successful bid in the offering			19,050	1,820	21,030
Total purchase price of shares repurchased and retired			18,927,000	1,747,000	19,581,000
Book value of preferred stock retired			19,050,000	1,820,000	20,823,000
Difference between the book value and the bid price credited to retained earnings			55,000	60,000	1,242,000
Shares purchased by unrelated third party					35,970
Expenses associated with Treasury's auction and the entity's purchase of the preferred stock						$ 250,000